Exhaust Gas Temperature Out of Range Bank 1 Sensor 2

Where it lives

For P2479, the description names the sensor as the part involved. The description of P2479 puts it on bank 1.

Check these first

• A failed EGT sensor on bank 1 sensor 2
• A sensor 2 circuit with an open or short
• A clogged bank 1 exhaust restriction
• A sensor 2 that is not seated or calibrated

What to do next

1. Read EGT sensor bank 1 sensor 2 on a scan tool
2. Compare sensor 2 to the other bank 1 EGT readings
3. Test the sensor 2 circuit for open and short faults
4. Inspect the bank 1 exhaust for a restriction
5. Replace the EGT sensor if it reads out of range against the others
6. Clear the code and retest

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